Will it thunder in Johnstown, Clwyd?

The thunderstorm forecast percentage is calculated by combining data from several computer models.

Frost, rain, snow, heat and thunder risk

Johnstown, Clwyd frost

Johnstown, Clwyd rain

Johnstown, Clwyd snow

Johnstown, Clwyd heat

Johnstown, Clwyd thunder

Full weather forecast

Next 3 days hour by hour

Johnstown, Clwyd hourly

Next 16 days in 3 hour intervals

Johnstown, Clwyd 16 day

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What is needed for thunderstorms?

Thunderstorms need moisture, an unstable atmosphere and lift, to develop.

Moisture is needed to create the clouds and rain.

The atmosphere needs to be unstable so that the air can rise and cool.

Lift is needed to get the air rising. This can be provided by fronts, sea breezes, mountains or heating from the sun.

Thunderstorms are most likely to occur in the summer months when the air is warm and moist. They are most likely to occur in the afternoon and evening when the sun has had time to heat the ground.

If you would like more in-depth information check our extensive range of Numerical Weather Prediction model data

To check the complete weather forecast use the Place, postcode or geolocation options in the header.